git.stricted.de - GitHub/moto-9609/android_kernel_motorola

author	Florian Westphal <fw@strlen.de>
	Thu, 17 Nov 2016 12:21:46 +0000 (13:21 +0100)
committer	Steffen Klassert <steffen.klassert@secunet.com>
	Fri, 18 Nov 2016 06:00:05 +0000 (07:00 +0100)
commit	330e832abda923df06a4ca6d3faac6e9c1b42548
tree	cbe128eef39cf12faf87898eebd7fdfd54f9a6bc	tree \| snapshot (tar.gz zip)
parent	7f92083eb58f85ea114d97f65fcbe22be5b0468d	commit \| diff

xfrm: unbreak xfrm_sk_policy_lookup

if we succeed grabbing the refcount, then
if (err && !xfrm_pol_hold_rcu)

will evaluate to false so this hits last else branch which then
sets policy to ERR_PTR(0).

Fixes: ae33786f73a7ce ("xfrm: policy: only use rcu in xfrm_sk_policy_lookup")
Reported-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Tested-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>